/*
 * Copyright (C) 2010 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.doclava;

public class AnnotationValueInfo {
  private Object mValue;
  private String mString;
  private MethodInfo mElement;

  public AnnotationValueInfo(MethodInfo element) {
    mElement = element;
  }

  public void init(Object value) {
    mValue = value;
  }

  public MethodInfo element() {
    return mElement;
  }

  public Object value() {
    return mValue;
  }

  public String valueString() {
    Object v = mValue;
    if (v instanceof TypeInfo) {
      return ((TypeInfo) v).fullName();
    } else if (v instanceof FieldInfo) {
      StringBuilder str = new StringBuilder();
      FieldInfo f = (FieldInfo) v;
      str.append(f.containingClass().qualifiedName());
      str.append('.');
      str.append(f.name());
      return str.toString();
    } else if (v instanceof AnnotationInstanceInfo) {
      return v.toString();
    } else if (v instanceof AnnotationValueInfo[]) {
      StringBuilder str = new StringBuilder();
      AnnotationValueInfo[] array = (AnnotationValueInfo[]) v;
      final int N = array.length;
      str.append("{");
      for (int i = 0; i < array.length; i++) {
        str.append(array[i].valueString());
        if (i != N - 1) {
          str.append(",");
        }
      }
      str.append("}");
      return str.toString();
    } else {
      return FieldInfo.constantLiteralValue(v);
    }
  }
}
